Islahudin, Islahudin, and M. Firman Ramdhan. “VIBRATION SENSOR BASED ON FLAT KOIL FOR EARTHQUAKE EARLY DETECTION IN LOMBOK NUSA TENGGARA BARAT REGION”. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram 1, no. 2 (December 21, 2013): 161–165. Accessed August 15, 2025. https://e-journal3.undikma.ac.id/index.php/prismasains/article/view/1015.